Distance from Columbia to Reston
How far is it from Columbia to Reston? About 400 mi in a straight line and 488 mi by road. Driving time, flight time, midpoint and route details.
Columbia and Reston are about 400 mi (643 km) apart in a straight line. By road that works out to roughly 488 mi (785 km), a drive of about 8 hr 16 min. A nonstop flight covers the great-circle distance in approximately 1 hr 14 min.
| Straight-line distance | 400 mi / 643 km |
| Road distance (est.) | 488 mi / 785 km |
| Driving time (est.) | 8 hr 16 min |
| Nonstop flight (est.) | 1 hr 14 min |
| Driving fuel (est., 1-way) | $61 |
| Typical flight fare | $80–$250 |
| Geographic midpoint | 36.499, -79.247 |
How these estimates work
Straight-line distance uses the haversine formula on each city's coordinates. Road distance applies a circuity factor (~1.2–1.4×) and driving time a blended average speed. Flight time uses typical jet cruise speed plus ~30 minutes for taxi, climb and descent. Treat all figures as planning estimates.
Frequently asked questions
Columbia to Reston is about 400 mi (643 km) in a straight line, and roughly 488 mi (785 km) by road.